Mugihe ubushake bwo guhinga, gutunganya ubusitani, no kwita kumurima bikomeje kwiyongera, amazu yubusitani bwa PVC ahinduka igikoresho cyingenzi kubakunzi. Aya mabati araramba, yoroheje, kandi yoroshye kuyakoresha, bigatuma ahitamo gukundwa kubungabunga ibibanza byo hanze. Imwe murufunguzo r ...
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